Chemistry

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This Is Why Heat Rises (Air Fryer Science!)

Ever wonder why hot water rises and cold water sinks? In this quick and colorful science demo, Museum Educator Sloane shows how temperature affects the density of water — and how this invisible force, called convection, drives the movement of fluids all...
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Relight a Candle with Smoke!

Do you know how to re-light a candle without touching the match to the wick? In this video, Alex Dainis explains how you can reignite a recently blown out candle by touching a match to the stream of smoke!
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Instant Ice Explained: How Nucleation Works

Do you know how to create instant ice? In this video, Alex Dainis explains the science behind this cool experiment.
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Powder Absorbs 800x its Weight in Water

How does sodium polyacrylate, or waterlock, hold up to 800 times its weight in water? In this educational video, Museum Educator Karen explains how sodium polyacrylate is a polymer, meaning it is made up of long chains of molecules.
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Which Water Conducts Best? Comparing Conductivity in Tap, Salt & Distilled Water

Do different types of water conduct electricity differently? In this video, Museum Educator Karen explains what happens when different types of water are used to complete a broken circuit and light up a light bulb.
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Epic Explosion: Hydrogen Peroxide Science Experiment

What makes hydrogen peroxide explode in this elephant’s toothpaste experiment? Museum Educator Jeannine explains how hydrogen peroxide is composed of two atoms of oxygen and two atoms of hydrogen, which usually break down very slowly into water and oxygen...
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Acid vs. Base: The Color-Changing Experiment!

How does chemistry turn this liquid from clear to deep magenta? The liquid in the beaker is phenolphthalein, a chemical indicator that changes colors when exposed to a high pH.
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2000°F Flame vs. Shuttle Tile—Will the Marshmallows Melt?

How does a space shuttle tile protect the astronauts inside? Museum Educator Emily explains how shuttle tiles are made of glass and air, so they are incredibly good thermal insulators.
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Spark Meets Liquid Oxygen: Chemical Reaction

What happens when you drop a flame into liquid oxygen? Museum Educator Emily breaks down the principle of combustion, in which oxygen reacts with a burning stick to produce spectacular sparks!
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Using Ice to Boil Water: Science Experiment

Did you know that you can boil water using ice? In this video, Alex Dainis describes the science behind this unique trick! Water will boil at lower temperatures at higher altitudes, because the atmospheric pressure there is lower.
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Bubble Experiment: Boiling Water and Liquid Nitrogen Reaction

What happens when boiling hot water meets ultra cold liquid nitrogen? In this video, Museum Educator Locke explains how liquid nitrogen boils at the super cold temperature of -320 degrees Fahrenheit.
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Rose Frozen in Liquid Nitrogen Shatters

Have you ever wanted to break something that was frozen in liquid nitrogen? In this educational video, Museum Educator Jeannine does just that with a rose.
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Popping Lids with Liquid Nitrogen

Why does the lid of this can keep popping off? In this video, Museum Educator Locke explains how the can is filled with liquid nitrogen.
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Make Your Own Ice Cream!

Did you know you can make your own ice cream without a freezer? In this video, Alex Dainis demonstrates how to create a delicious frozen treat using common kitchen ingredients.
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Liquid Nitrogen & Rubber Experiment

What happens when you put rubber in liquid nitrogen? Museum Educator Jeannine demonstrates the physics of this super cold science experiment in this educational video. Because liquid nitrogen is -320 degrees Fahrenheit, the room temperature rubber loses...